Busque entre los 156620 recursos disponibles en el repositorio
Mostrar el registro sencillo del ítem
dc.date.accessioned | 2021-09-16T13:32:58Z | |
dc.date.available | 2021-09-16T13:32:58Z | |
dc.date.issued | 2020-10-13 | |
dc.identifier.uri | http://sedici.unlp.edu.ar/handle/10915/124922 | |
dc.description.abstract | Aims. The sample of serendipitous sources detected in all Swift-XRT images pointing at gamma ray bursts (GRBs) constitutes the largest existing medium-deep survey of the X-ray sky. To build such dataset we analysed all Swift X-ray images centred on GRBs and observed over a period of 15 years using automatic tools that do not require any expertise in X-ray astronomy. Besides presenting a new large X-ray survey and a complete sample of blazars, this work aims to be a step in the direction of achieving the ultimate goal of the Open Universe Initiative, which is to enable non-expert people to benefit fully from space science data, possibly extending the potential for scientific discovery, which is currently confined within a small number of highly specialised teams, to a much larger population. Methods. We used the Swift_deepsky Docker container encapsulated pipeline to build the largest existing flux-limited and unbiased sample of serendipitous X-ray sources. Swift_deepsky runs on any laptop or desktop computer with a modern operating system. The tool automatically downloads the data and the calibration files from the archives, runs the official Swift analysis software, and produces a number of results including images, the list of detected sources, X-ray fluxes, spectral energy distribution data, and spectral slope estimations. Results. We used our source list to build the LogN-LogS of extra-galactic sources, which perfectly matches that estimated by other satellites. Combining our survey with multi-frequency data, we selected a complete radio-flux-density-limited sample of high energy peaked blazars (HBL). The LogN-LogS built with this data set confirms that previous samples are incomplete below ∼20 mJy | en |
dc.language | en | es |
dc.subject | surveys | es |
dc.subject | methods: data analysis | es |
dc.subject | galaxies: active | es |
dc.subject | X-rays: galaxies | es |
dc.subject | catalogs | es |
dc.title | The Open Universe survey of Swift-XRT GRB fields | en |
dc.type | Articulo | es |
sedici.identifier.other | arXiv:2003.05153 | es |
sedici.identifier.other | doi:10.1051/0004-6361/202037921 | es |
sedici.identifier.issn | 0004-6361 | es |
sedici.identifier.issn | 1432-0746 | es |
sedici.title.subtitle | A complete sample of HBL blazars | en |
sedici.creator.person | Giommi, P. | es |
sedici.creator.person | Chang, Y. L. | es |
sedici.creator.person | Turriziani, S. | es |
sedici.creator.person | Glauch, T. | es |
sedici.creator.person | Leto, C. | es |
sedici.creator.person | Verrecchia, F. | es |
sedici.creator.person | Padovani, P. | es |
sedici.creator.person | Penacchioni, Ana Virginia | es |
sedici.creator.person | Arneodo, F. | es |
sedici.creator.person | Barres de Almeida, U. | es |
sedici.creator.person | Brandt, C. H. | es |
sedici.creator.person | Capalbi, M. | es |
sedici.creator.person | Civitarese, Enrique Osvaldo | es |
sedici.creator.person | D’Elia, V. | es |
sedici.creator.person | Di Giovanni, A. | es |
sedici.creator.person | De Angelis, M. | es |
sedici.creator.person | Del Rio Vera, J. | es |
sedici.creator.person | Di Pippo, S. | es |
sedici.creator.person | Middei, R. | es |
sedici.creator.person | Perri, M. | es |
sedici.creator.person | Pollock, A. M. T. | es |
sedici.creator.person | Puccetti, S. | es |
sedici.creator.person | Ricard, N. | es |
sedici.creator.person | Ruffini, R. | es |
sedici.creator.person | Sahakyan, N. | es |
sedici.subject.materias | Ciencias Exactas | es |
sedici.subject.materias | Física | es |
sedici.description.fulltext | true | es |
mods.originInfo.place | Instituto de Física La Plata | es |
sedici.subtype | Articulo | es |
sedici.rights.license | Creative Commons Attribution 4.0 International (CC BY 4.0) | |
sedici.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
sedici.description.peerReview | peer-review | es |
sedici.relation.journalTitle | Astronomy & Astrophysics | es |
sedici.relation.journalVolumeAndIssue | vol. 642 | es |